2404780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 5866560

約数和(自身を除く): 3461780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 193, 356, 386, 445, 623, 772, 890, 965, 1246, 1351, 1780, 1930, 2492, 2702, 3115, 3860, 5404, 6230, 6755, 12460, 13510, 17177, 27020, 34354, 68708, 85885, 120239, 171770, 240478, 343540, 480956, 601195, 1202390, 2404780]

約数ペア:

[(1, 2404780), (2, 1202390), (4, 601195), (5, 480956), (7, 343540), (10, 240478), (14, 171770), (20, 120239), (28, 85885), (35, 68708), (70, 34354), (89, 27020), (140, 17177), (178, 13510), (193, 12460), (356, 6755), (386, 6230), (445, 5404), (623, 3860), (772, 3115), (890, 2702), (965, 2492), (1246, 1930), (1351, 1780)]